On Thu, Mar 26, 2020 at 02:16:05PM +0100, Peter Eisentraut wrote: > committed and backpatched
The patch committed does that in three places:
/* rename to permanent file, fsync file and directory */
if (rename(tmppath, path) != 0)
{
+ LWLockRelease(&slot->io_in_progress_lock);
ereport(elevel,
(errcode_for_file_access(),
errmsg("could not rename file \"%s\" to \"%s\": %m",
But why do you assume that LWLockRelease() never changes errno? It
seems to me that you should save errno before calling LWLockRelease(),
and then restore it back before using %m in the log message, no? See
for example the case where trace_lwlocks is set.
--
Michael
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